超清版 GB/T 25052-2024 连续热浸镀层钢板和钢带尺寸、外形、重量及允许偏差

ICS 77.140.50
CCS H 46
中华人民共和国国家标准
GB/T 25052—2024
连续热浸镀层钢板和钢带尺寸、
外形、重量及允许偏差
Dimension,shape,weight and tolerance for
continuously hot-dip coated steel sheet and strip
代替 GB/T 25052—2010
2024-08-23 发布2025-03-01 实施
国家市场监督管理总局
国家标准化管理委员会发 布

目　　次
前言 ····································································································· Ⅲ
1 范围 ·································································································· 1
2 规范性引用文件 ······················································································ 1
3 术语和定义 ··························································································· 1
4 分类和代号 ··························································································· 1
5 尺寸 ·································································································· 2
5.1 尺寸范围 ························································································· 2
5.2 推荐的公称尺寸 ················································································· 2
6 尺寸允许偏差 ························································································· 2
6.1 厚度允许偏差 ···················································································· 2
6.2 宽度允许偏差 ···················································································· 5
6.3 长度允许偏差 ···················································································· 6
7 外形 ·································································································· 7
7.1 不平度 ··························································································· 7
7.2 镰刀弯 ··························································································· 7
7.3 脱方度 ··························································································· 7
7.4 塔形 ······························································································ 7
8 尺寸及外形的测量 ···················································································· 8
8.1 厚度 ······························································································ 8
8.2 宽度 ······························································································ 8
8.3 长度 ······························································································ 8
8.4 不平度 ··························································································· 8
8.5 镰刀弯 ··························································································· 8
8.6 脱方度 ··························································································· 9
9 重量 ································································································· 10